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Brownian free energy ratchets

Author

Listed:
  • Wang, Hai-Yan
  • Bao, Jing-Dong

Abstract

The directed motion of a Brownian particle subject to a unequilibrium fluctuation which moves in a two-dimensional ratchet potential is studied. Thus, a working model of the free-energy ratchet is proposed through eliminating no-transport variables. The properties of the present model such as the current, the efficiency, the diffusion coefficient and the Pe number are discussed. Comparison with the previous one-dimensional models, some novel phenomena are observed.

Suggested Citation

  • Wang, Hai-Yan & Bao, Jing-Dong, 2003. "Brownian free energy ratchets," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 323(C), pages 197-212.
    • Handle: RePEc:eee:phsmap:v:323:y:2003:i:c:p:197-212
    DOI: 10.1016/S0378-4371(03)00031-1
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